Noble gas
The noble gases are the chemical elements in group 18 of the periodic table.
They are the most stable due to having the maximum number of valence electrons their outer shell can hold.
Therefore, they rarely react with other elements since they are already stable.
Other characteristics of the noble gases are that they all conduct electricity, fluoresce, are odorless and colorless, and are used in many conditions when a stable element is needed to maintain a safe and constant environment.
This chemical series contains helium, neon, argon, krypton, xenon, and radon.
The noble gases were previously referred to as inert gases, but this term is not strictly accurate because several of them do take part in chemical reactions.

Same as Inert Gas (qv).

In the Russell system all those elements having 0 potential in his Table of the Elements.

Noble Gases
Hydron
Helium
Neon
Argon
Krypton
Xenon
Radon
Omeganon

See Also

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Etheric Elements
gas-filled tube
Inert Gas
Master Tone
Plasma
11.15 - Indig Numbers - Inert Gases and Octave Position